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[Xpg-xml-commits] CVS: edu/iicm/xpg/statemachine DataObject.java,1.6,1.7 InitInitializeStateMachine.java,1.4,1.5 InitParser.java,1.3,1.4 Initializer.java,1.4,1.5 Parser.java,1.5,1.6 XMLElement.java,1.2,1.3 XMLHandler.java,1.6,1.7
Update of /cvsroot/xpg-xml/edu/iicm/xpg/statemachine
In directory usw-pr-cvs1:/tmp/cvs-serv31375/statemachine
Modified Files:
DataObject.java InitInitializeStateMachine.java
InitParser.java Initializer.java Parser.java XMLElement.java
XMLHandler.java
Log Message:
a little exception handling added
Index: DataObject.java
===================================================================
RCS file: /cvsroot/xpg-xml/edu/iicm/xpg/statemachine/DataObject.java,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -d -r1.6 -r1.7
*** DataObject.java 21 Mar 2002 08:10:16 -0000 1.6
--- DataObject.java 4 Apr 2002 05:42:24 -0000 1.7
***************
*** 40,43 ****
--- 40,46 ----
protected HashMap data_map_;
+ //----------------------------------------------------------------------
+ /**
+ */
public DataObject()
{
***************
*** 48,53 ****
--- 51,59 ----
//----------------------------------------------------------------------
/**
+ * get the 'actual' xml element
* @return the top xml element
*/
+ // FIXXME: should this function throw an exception if the stack is empty
+ // (but no EmptyStackException!) ?
public XMLElement getXMLElement()
{
***************
*** 65,68 ****
--- 71,75 ----
//----------------------------------------------------------------------
/**
+ * get the whole xml element stack
* @return the xml element stack
*/
***************
*** 74,110 ****
//----------------------------------------------------------------------
/**
* @param key a description of the stored data
* @param value the dataobject that should be stored
*/
public void putObject(String key, Object value)
{
// FIXXME: there should be a possibility storing multiple data with
// the same key; possibly a stack for each data object will be used
! if ( data_map_.containsKey(key) )
! {
! System.err.println("\"" + key + "\" allready exists inDataObject");
! return;
! }
! data_map_.put(key, value);
}
//----------------------------------------------------------------------
/**
* @param key the identificator of the stored data
* @return the dataobject
*/
public Object getObject(String key)
{
! return data_map_.get(key);
}
//----------------------------------------------------------------------
/**
* @param key the identificator of the stored data
* @return the dataobject
*/
public Object removeObject(String key)
{
! return data_map_.remove(key);
}
}
--- 81,141 ----
//----------------------------------------------------------------------
/**
+ * put a kind of data as object to the hashmap and store it by usage of key
* @param key a description of the stored data
* @param value the dataobject that should be stored
+ * @exception IllegalArgumentException thrown if one of the arguments is NULL
*/
public void putObject(String key, Object value)
+ throws IllegalArgumentException
{
+ if (key == null || value == null)
+ {
+ throw (new IllegalArgumentException
+ ("put object into data object with key or value equal null!"));
+ }
// FIXXME: there should be a possibility storing multiple data with
// the same key; possibly a stack for each data object will be used
! if ( data_map_.containsKey(key) )
! {
! System.err.println("\"" + key + "\" allready exists inDataObject");
! return;
! }
! data_map_.put(key, value);
}
//----------------------------------------------------------------------
/**
+ * get data from the hashmap stored by key
* @param key the identificator of the stored data
* @return the dataobject
+ * @exception IllegalArgumentException thrown if key is null
*/
public Object getObject(String key)
+ throws IllegalArgumentException
{
! if (key == null)
! {
! throw (new IllegalArgumentException
! ("get object with key equal null!"));
! }
! return data_map_.get(key);
}
//----------------------------------------------------------------------
/**
+ * get data from the hashmap stored by key and remove it
* @param key the identificator of the stored data
* @return the dataobject
+ * @exception IllegalArgumentException thrown if key is null
*/
public Object removeObject(String key)
+ throws IllegalArgumentException
{
! if (key == null)
! {
! throw (new IllegalArgumentException
! ("remove object with key equal null!"));
! }
! return data_map_.remove(key);
}
}
Index: InitInitializeStateMachine.java
===================================================================
RCS file: /cvsroot/xpg-xml/edu/iicm/xpg/statemachine/InitInitializeStateMachine.java,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -d -r1.4 -r1.5
*** InitInitializeStateMachine.java 8 Mar 2002 19:04:38 -0000 1.4
--- InitInitializeStateMachine.java 4 Apr 2002 05:42:24 -0000 1.5
***************
*** 31,34 ****
--- 31,35 ----
import edu.iicm.xpg.transitions.SetSearchPathTransition;
+
//----------------------------------------------------------------------
/**
***************
*** 43,47 ****
*
* @author Stefan Thalauer
! * @author Günther Brand
* @version $Revision$
*/
--- 44,48 ----
*
* @author Stefan Thalauer
! * @author Guenther Brand
* @version $Revision$
*/
***************
*** 52,106 ****
// elements
! public final static String XML_STM_CONFIG = "statemachine";
! public final static String XML_PATH_DEF = "path";
! public final static String XML_STATE_LIST = "states";
! public final static String XML_START_STATE_DEF = "startstate";
! public final static String XML_STATE_DEF = "state";
! public final static String XML_TRANSITION_LIST = "transitions";
! public final static String XML_TRANSITION_DEF = "transition";
! public final static String XML_BEGINSTATE = "beginstate";
! public final static String XML_NEXTSTATE = "nextstate";
! public final static String XML_ELEMENT = "element";
! public final static String XML_CLASSNAME = "classname";
// machine states
! public final static String STATE_TOP_LEVEL_FILE = "file top";
! public final static String STATE_TOP_LEVEL_DOC_TYPE = "doctype top";
! public final static String STATE_PATH_DEF = "path def";
! public final static String STATE_STATE_LIST = "state list";
! public final static String STATE_START_STATE_DEF = "start state def";
! public final static String STATE_STATE_DEF = "state def";
! public final static String STATE_TRANSITION_LIST = "transition list";
! public final static String STATE_TRANSITION_DEF = "transition def";
! public final static String STATE_BEGINSTATE = "beginstate";
! public final static String STATE_NEXTSTATE = "nextstate";
! public final static String STATE_ELEMENT = "element";
! public final static String STATE_CLASSNAME = "classname";
! public final static String STATE_FINISHED = "finished";
public InitInitializeStateMachine()
{
! state_machine_=null;
}
//----------------------------------------------------------------------
/**
* @return the initialized Statemachine
*/
public PrimitiveStateMachine getStateMachine()
{
! return state_machine_;
}
//----------------------------------------------------------------------
/**
! * The following state machine is built here: Init a Statemachine
! *
* @param state_machine the statemachine
* @return
*/
public void initialize(PrimitiveStateMachine state_machine)
{
state_machine_ = state_machine;
--- 53,124 ----
// elements
! protected final static String XML_STM_CONFIG = "statemachine";
! protected final static String XML_PATH_DEF = "path";
! protected final static String XML_STATE_LIST = "states";
! protected final static String XML_START_STATE_DEF = "startstate";
! protected final static String XML_STATE_DEF = "state";
! protected final static String XML_TRANSITION_LIST = "transitions";
! protected final static String XML_TRANSITION_DEF = "transition";
! protected final static String XML_BEGINSTATE = "beginstate";
! protected final static String XML_NEXTSTATE = "nextstate";
! protected final static String XML_ELEMENT = "element";
! protected final static String XML_CLASSNAME = "classname";
// machine states
! protected final static String STATE_TOP_LEVEL_FILE = "file top";
! protected final static String STATE_TOP_LEVEL_DOC_TYPE = "doctype top";
! protected final static String STATE_PATH_DEF = "path def";
! protected final static String STATE_STATE_LIST = "state list";
! protected final static String STATE_START_STATE_DEF = "start state def";
! protected final static String STATE_STATE_DEF = "state def";
! protected final static String STATE_TRANSITION_LIST = "transition list";
! protected final static String STATE_TRANSITION_DEF = "transition def";
! protected final static String STATE_BEGINSTATE = "beginstate";
! protected final static String STATE_NEXTSTATE = "nextstate";
! protected final static String STATE_ELEMENT = "element";
! protected final static String STATE_CLASSNAME = "classname";
! protected final static String STATE_FINISHED = "finished";
+ //----------------------------------------------------------------------
+ /**
+ */
public InitInitializeStateMachine()
{
! state_machine_ = null;
}
//----------------------------------------------------------------------
/**
+ * get the (initialized) statemachine
* @return the initialized Statemachine
+ * @exception IllegalStateException thrown if the statemachine is null
*/
public PrimitiveStateMachine getStateMachine()
+ throws IllegalStateException
{
! if (state_machine_ == null)
! {
! throw (new IllegalStateException("statemachine is null!"));
! }
! return state_machine_;
}
//----------------------------------------------------------------------
/**
! * initialize the 'hardcoded' statemachine
* @param state_machine the statemachine
* @return
+ * @exception IllegalArgumentException thrown if state_machine is null
*/
public void initialize(PrimitiveStateMachine state_machine)
+ throws IllegalArgumentException
{
+ if (state_machine == null)
+ {
+ throw (new IllegalArgumentException
+ ("statemachine to initialize is null!"));
+ }
+
state_machine_ = state_machine;
***************
*** 301,304 ****
--- 319,323 ----
catch (Exception exc)
{
+ // FIXXME: think of a better exceptionhandling here!
exc.printStackTrace();
}
Index: InitParser.java
===================================================================
RCS file: /cvsroot/xpg-xml/edu/iicm/xpg/statemachine/InitParser.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** InitParser.java 28 Feb 2002 06:40:19 -0000 1.3
--- InitParser.java 4 Apr 2002 05:42:24 -0000 1.4
***************
*** 28,31 ****
--- 28,32 ----
import org.dinopolis.util.DFactory;
+
//----------------------------------------------------------------------
/**
***************
*** 46,55 ****
/**
* @param config_file
*/
! public InitParser(String config_file)
{
super();
DFactory transition_factory = new DFactory(DEFAULT_SEARCH_PATH);
data_.putObject(TRANSITION_FATORY, transition_factory);
--- 47,63 ----
/**
* @param config_file
+ * @exception IllegalArgumentException thrown if config_file is null
*/
! public InitParser(String config_file)
! throws IllegalArgumentException
{
super();
+ if (config_file == null)
+ {
+ throw (new IllegalArgumentException
+ ("configfile of InitParser is null!"));
+ }
DFactory transition_factory = new DFactory(DEFAULT_SEARCH_PATH);
data_.putObject(TRANSITION_FATORY, transition_factory);
***************
*** 60,70 ****
//----------------------------------------------------------------------
/**
! * The following state machine is built here: *
* @return
! * @exception Exception whatever can happen during initialization
*/
public void initialize(PrimitiveStateMachine new_state_machine)
{
setFeatures();
setHandlers();
--- 68,86 ----
//----------------------------------------------------------------------
/**
! * initialize the statemachine with the initializer
! * @param new_state_machine the statemachine that should be initialized
* @return
! * @exception IllegalArgumentException thrown if new_state_machine is null
*/
public void initialize(PrimitiveStateMachine new_state_machine)
+ throws IllegalArgumentException
{
+ if (new_state_machine == null)
+ {
+ throw (new IllegalArgumentException
+ ("new_state_machine in initialize is null!"));
+ }
+
setFeatures();
setHandlers();
***************
*** 78,81 ****
--- 94,98 ----
//----------------------------------------------------------------------
/**
+ * get the initialized statemachine
* @return the initialized Statemachine
*/
Index: Initializer.java
===================================================================
RCS file: /cvsroot/xpg-xml/edu/iicm/xpg/statemachine/Initializer.java,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -d -r1.4 -r1.5
*** Initializer.java 28 Feb 2002 06:40:19 -0000 1.4
--- Initializer.java 4 Apr 2002 05:42:24 -0000 1.5
***************
*** 33,47 ****
{
-
//----------------------------------------------------------------------
/**
* @param statemachine the statemachine
* @return
*/
! public void initialize(PrimitiveStateMachine statemachine);
//----------------------------------------------------------------------
/**
* @return the initialized Statemachine
*/
--- 33,50 ----
{
//----------------------------------------------------------------------
/**
+ * initialize a statemachine
* @param statemachine the statemachine
* @return
+ * @exception IllegalArgumentException thrown if statemachine is null
*/
! public void initialize(PrimitiveStateMachine statemachine)
! throws IllegalArgumentException;
//----------------------------------------------------------------------
/**
+ * get the (initialized) statemachine
* @return the initialized Statemachine
*/
Index: Parser.java
===================================================================
RCS file: /cvsroot/xpg-xml/edu/iicm/xpg/statemachine/Parser.java,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -d -r1.5 -r1.6
*** Parser.java 8 Mar 2002 19:04:38 -0000 1.5
--- Parser.java 4 Apr 2002 05:42:24 -0000 1.6
***************
*** 66,69 ****
--- 66,70 ----
catch (SAXException exc)
{
+ // FIXXME: maybe think of a better exception handling here!
exc.printStackTrace();
}
***************
*** 72,89 ****
//----------------------------------------------------------------------
/**
- * @deprecated
- */
-
- public Parser(PrimitiveStateMachine state_machine)
- {
- this();
- state_machine_ = state_machine;
- }
-
- //----------------------------------------------------------------------
- /**
* Parse a file , calls the XMLHandler
* @param file the xml file to parse
! * @return public
*/
--- 73,79 ----
//----------------------------------------------------------------------
/**
* Parse a file , calls the XMLHandler
* @param file the xml file to parse
! * @return
*/
***************
*** 93,96 ****
--- 83,87 ----
if (!input_file.exists())
{
+ // FIXXME: better exception handling is needed here!
System.err.println("Parser: File " + filename + " not existing");
System.exit(-1);
***************
*** 104,108 ****
catch (Exception exc)
{
! System.err.println(exc);
exc.printStackTrace();
System.exit(1);
--- 95,99 ----
catch (Exception exc)
{
! // FIXXME: System.exit ??
exc.printStackTrace();
System.exit(1);
***************
*** 112,128 ****
//----------------------------------------------------------------------
/**
* @return
*/
public void setHandlers(XMLHandler handler)
{
! reader_.setContentHandler(handler);
! reader_.setErrorHandler(handler);
! reader_.setDTDHandler(handler);
}
-
//----------------------------------------------------------------------
/**
* @return
*/
--- 103,128 ----
//----------------------------------------------------------------------
/**
+ * set the diverse handlers for the xml reader
+ * @param handler the handler that should be set
* @return
+ * @exception IllegalArgumentException thrown if handler is null
*/
public void setHandlers(XMLHandler handler)
+ throws IllegalArgumentException
{
! if (handler == null)
! {
! throw (new IllegalArgumentException
! ("handler in setHandlers is null!"));
! }
! reader_.setContentHandler(handler);
! reader_.setErrorHandler(handler);
! reader_.setDTDHandler(handler);
}
//----------------------------------------------------------------------
/**
+ * set the intern handler for the xml reader
* @return
*/
***************
*** 135,142 ****
}
-
//----------------------------------------------------------------------
/**
! * @param
* @return
*/
--- 135,141 ----
}
//----------------------------------------------------------------------
/**
! * set the features for the xml reader
* @return
*/
Index: XMLElement.java
===================================================================
RCS file: /cvsroot/xpg-xml/edu/iicm/xpg/statemachine/XMLElement.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** XMLElement.java 21 Mar 2002 08:10:16 -0000 1.2
--- XMLElement.java 4 Apr 2002 05:42:24 -0000 1.3
***************
*** 25,28 ****
--- 25,29 ----
import org.xml.sax.helpers.AttributesImpl;
+
//----------------------------------------------------------------------
/**
***************
*** 39,70 ****
//----------------------------------------------------------------------
/**
- * @param name the name that should be set
*/
protected void setName(String name)
{
! if ( name != null)
! name_ = name;
! else ;
! // FIXXME: send warning!
}
//----------------------------------------------------------------------
/**
* @return the name
*/
-
public String getName()
{
! return name_;
}
//----------------------------------------------------------------------
/**
* @param value the value that should be set
*/
-
protected void setValue(String value)
{
value_ = value;
}
--- 40,98 ----
//----------------------------------------------------------------------
/**
*/
+ public XMLElement()
+ {
+ name_ = null;
+ value_ = null;
+ attributes_ = null;
+ }
+ //----------------------------------------------------------------------
+ /**
+ * set the name of the xml element
+ * @param name the name that should be set
+ * @exception IllegalArgumentException thrown if name is null
+ */
protected void setName(String name)
+ throws IllegalArgumentException
{
! if (name == null)
! {
! throw (new IllegalArgumentException
! ("set name of xml element equal to null!"));
! }
! name_ = name;
}
//----------------------------------------------------------------------
/**
+ * get the name of the xml element
* @return the name
+ * @exception IllegalStateException thrown if name is null
*/
public String getName()
+ throws IllegalStateException
{
! if (name_ == null)
! {
! throw (new IllegalStateException("name of xml element is null!"));
! }
! return name_;
}
//----------------------------------------------------------------------
/**
+ * set the value (content) of the xml element
* @param value the value that should be set
+ * @exception IllegalArgumentException thrown if value is null
*/
protected void setValue(String value)
+ throws IllegalArgumentException
{
+ if (value == null)
+ {
+ throw (new IllegalArgumentException
+ ("set value of xml element equal to null!"));
+ }
value_ = value;
}
***************
*** 72,78 ****
//----------------------------------------------------------------------
/**
* @return the value
*/
-
public String getValue()
{
--- 100,106 ----
//----------------------------------------------------------------------
/**
+ * get the value of the xml element
* @return the value
*/
public String getValue()
{
***************
*** 82,90 ****
//----------------------------------------------------------------------
/**
* @param attributes the attributes that should be set
*/
-
protected void setAttributes(Attributes attributes)
{
attributes_ = new AttributesImpl(attributes);
}
--- 110,125 ----
//----------------------------------------------------------------------
/**
+ * set the attributes of the xml element
* @param attributes the attributes that should be set
+ * @exception IllegalArgumentException thrown if attributes are null
*/
protected void setAttributes(Attributes attributes)
+ throws IllegalArgumentException
{
+ if (attributes == null)
+ {
+ throw (new IllegalArgumentException
+ ("set attributes of xml element equal to null!"));
+ }
attributes_ = new AttributesImpl(attributes);
}
***************
*** 92,98 ****
//----------------------------------------------------------------------
/**
* @return the attributes
*/
-
public Attributes getAttributes()
{
--- 127,133 ----
//----------------------------------------------------------------------
/**
+ * get the attributes of the xml element
* @return the attributes
*/
public Attributes getAttributes()
{
Index: XMLHandler.java
===================================================================
RCS file: /cvsroot/xpg-xml/edu/iicm/xpg/statemachine/XMLHandler.java,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -d -r1.6 -r1.7
*** XMLHandler.java 21 Mar 2002 08:10:16 -0000 1.6
--- XMLHandler.java 4 Apr 2002 05:42:24 -0000 1.7
***************
*** 34,41 ****
* This class extends the DefaultHandler of the SAX2.0 API.
* It sends the XMLInputs to the statemachine.
- * This class replaces the callback functionality of
- * the depricated classes:
- * - InitStatemachine
- * - Generator (Package: .xpg.generator)
*
* @author Stefan Thalauer
--- 34,37 ----
***************
*** 53,61 ****
--- 49,65 ----
* @param state_machine the statemachine which handles the parsed states
* @param data the DataObject for storing diverse data
+ * @exception IllegalArgumentException thrown if state_machine or data is null
*/
public XMLHandler(PrimitiveStateMachine state_machine,DataObject data)
+ throws IllegalArgumentException
{
super();
+
+ if (state_machine == null || data == null)
+ {
+ throw (new IllegalArgumentException
+ ("initialize XMLHandler with statemachine or data equal null!"));
+ }
state_machine_=state_machine;
data_=data;
***************
*** 104,114 ****
try
{
! data_.getXMLElement().setValue(new String(chars, start, length));
! state_machine_.input(new XMLInput(Const.XML_CHARS,chars,start,length));
}
catch(Exception exc)
{
! exc.printStackTrace();
! System.exit(1);
}
}
--- 108,122 ----
try
{
! if (length > 0)
! {
! data_.getXMLElement().setValue(new String(chars, start, length));
! }
! state_machine_.input(new XMLInput(Const.XML_CHARS,chars,start,length));
}
catch(Exception exc)
{
! // FIXXME: think of better exception handling; no system.exit?
! exc.printStackTrace();
! System.exit(1);
}
}
***************
*** 130,134 ****
XMLElement xml_element = new XMLElement();
xml_element.setName(name);
! xml_element.setAttributes(attributes);
data_.getXMLElementStack().push(xml_element);
--- 138,145 ----
XMLElement xml_element = new XMLElement();
xml_element.setName(name);
! if (attributes != null)
! {
! xml_element.setAttributes(attributes);
! }
data_.getXMLElementStack().push(xml_element);
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